This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 69 |
| 2 | 4761 |
| 3 | 247163 |
| 4 | 12584703 |
| 5 | 647820815 |
| 6 | 33403462497 |
| 7 | 1721695415743 |
| 8 | 88730578258613 |
| 9 | 4572950799187243 |
| 10 | 235680064764200747 |
| 11 | 12146435820476346225 |
| 12 | 626000438753879535467 |
| 13 | 32262680221309448337639 |
| 14 | 1662747377281516450070519 |